From 2958a792a4f3e1e0a5363b62b8888dca87b5670a Mon Sep 17 00:00:00 2001
From: Timothy Farrell <tim@thecookiejar.me>
Date: Fri, 2 Nov 2018 15:19:35 +0000
Subject: [PATCH] Refactor is* functions

---
 package.json |  2 +-
 src/index.js | 34 ++++++++++++++++++----------------
 2 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/package.json b/package.json
index a3c002a..be8cd44 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "trimkit",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Javascript and DOM abstractions for smaller minifiable code",
   "main": "dist/trimkit.js",
   "module": "dist/trimkit.js",
diff --git a/src/index.js b/src/index.js
index a44ec11..5953ae3 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,4 +1,4 @@
-// Copyright (c) 2016 Timothy Farrell
+// Copyright (c) 2018 Timothy Farrell
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -48,29 +48,31 @@ export const ObjectKeys = Object.keys;
 // Size saved after: ceil(20 / 7) = 3 usages
 export const DOMDocument = self.document;
 
-// ES5 output: function a(b){return"function"===typeof b};
+const isType = str => obj => typeof obj === 'function';
+
+// ES5 output A: var c=(function(t){return function a(b){return t===typeof b}})('function');
+// ES5 output B: var c=a('function');
 // Invocation comparison: typeof a==='function' ~~~ a(b)
 // Size delta per invocation: 21 - 4 = 17 bytes
-// Size saved after: ceil(43 / 17) = 3 usages
-export function isFunction(obj) {
-    return typeof obj === 'function';
-}
+// Size saved after (A): ceil(75 / 17) = 5 usages
+// Size saved after (B): ceil(20 / 17) = 2 usages
+export const isFunction = isType('function');
 
-// ES5 output: function a(b){return"string"===typeof b};
+// ES5 output A: var c=(function(t){return function a(b){return t===typeof b}})('string');
+// ES5 output B: var c=a('string');
 // Invocation comparison: typeof a==='string' ~~~ a(b)
 // Size delta per invocation: 19 - 4 = 15 bytes
-// Size saved after: ceil(41 / 15) = 3 usages
-export function isString(obj) {
-    return typeof obj === 'string';
-}
+// Size saved after (A): ceil(73 / 15) = 5 usages
+// Size saved after (B): ceil(18 / 15) = 2 usages
+export const isString = isType('string');
 
-// ES5 output: function a(b){return"number"===typeof b};
+// ES5 output A: var c=(function(t){return function a(b){return t===typeof b}})('number');
+// ES5 output B: var c=a('number');
 // Invocation comparison: typeof a==='number' ~~~ a(b)
 // Size delta per invocation: 19 - 4 = 15 bytes
-// Size saved after: ceil(41 / 15) = 3 usages
-export function isNumber(obj) {
-    return typeof obj === 'number';
-}
+// Size saved after (A): ceil(73 / 15) = 5 usages
+// Size saved after (B): ceil(18 / 15) = 2 usages
+export const isNumber = isType('number');
 
 // ES5 declaration: var a=null;
 // Invocation comparison: null ~~~ a